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Abstract: High-capacity, underground high-temperature superconductor (HTS) cable capable of accommodating large power requirements is one of the new, low-profile technologies to solve grid reliability problems with great promise. The current lead is one of the significant components in a superconducting transmission system. In order to reduce heat conduction from the current lead into cryostats an... read mored maintaining the cryogenic stability of the system and its cost effectiveness, using thermoelectric materials for Peltier cooling effect is a promising strategy. This thesis focuses on computing the temperature profile of such Peltier-cooled current leads. COMSOL Multiphysics has been used for the one-dimensional model building in this thesis, and a positive result, i.e., that Peltier cooling would reduce the heat conduction by 10% for typical conditions has been obtained.
Thesis (M.S.)--Tufts University, 2011.
Submitted to the Dept. of Mechanical Engineering.
Advisors: Marc Hodes, and Luisa Chiesa.
Committee: Martin Cleary.
Keyword: Mechanical engineering.read less
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